Patents by Inventor Takashi Shiraishi
Takashi Shiraishi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11078922Abstract: A scroll casing forms a scroll flow passage of a centrifugal compressor, and provided that, in a cross section of the scroll flow passage, Ei is an inner end of the scroll flow passage in a radial direction of the centrifugal compressor, and Mh is a middle point of a maximum flow-passage height Hmax of the scroll flow passage in the axial direction of the centrifugal compressor, the scroll flow passage has a separation suppressing cross section in which the inner end Ei is disposed on an inner side, in the radial direction, of a diffuser outlet, and the inner end Ei is disposed on a back side, in the axial direction, of the middle point Mh, in a section disposed at least partially in an upstream region of a connection position of a scroll start and a scroll end.Type: GrantFiled: October 29, 2015Date of Patent: August 3, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Kenichiro Iwakiri, Isao Tomita, Takashi Shiraishi
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Patent number: 11061346Abstract: A lens mirror array includes a plurality of transparent optical elements integrally connected to each other in one direction. Each of the optical elements includes: an incidence side lens surface on which light is incident; an exit side lens surface through which incident light exits; and a flange portion having a surface continuous to the incidence side lens surface. The surface of the flange portion is arranged at an angle at which unnecessary light incident on the flange portion is guided to a position deviating from an slit, the slit allowing transmission of effective light in light that exits through the exit side lens surface.Type: GrantFiled: September 12, 2019Date of Patent: July 13, 2021Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Takashi Shiraishi
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Patent number: 11048448Abstract: A non-transitory computer-readable recording medium stores therein a program that causes a computer to execute a process, the process including: specifying first job information related to a new job; referring to a storage that stores second job information and power information for each of past jobs to specify a predetermined number of pieces of third job information of which matching status with the first job information satisfies a first condition; determining, for each piece of the third job information, whether a matching status with the first job information satisfies a second condition; specifying one piece of the third job information based on a determination result; specifying power information associated with the one piece of the third job information; correcting the specified power information in accordance with the determination result; and estimating power information indicating power consumption at a time of executing the new job based on the corrected power information.Type: GrantFiled: January 24, 2020Date of Patent: June 29, 2021Assignee: FUJITSU LIMITEDInventors: Shigeto Suzuki, Takuji Yamamoto, Michiko Shiraga, Takashi Shiraishi
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Patent number: 11043860Abstract: A rotor includes a rotor core including laminated thin plate cores. A single thin plate core includes an inner plate portion defining a portion of an inner core portion and outer plate portions defining a portion of an outer core portion. At least some of the laminated thin plate cores include a connecting portion. A number of connecting portion is one or a plurality, and, when the number of connecting portions is a plurality, the connecting portions at positions other than both left and right sides of each other in a circumferential direction, and, in plan view, the thin plate core includes the connecting portion at a position different from that of a connecting portion in another thin plate core adjacent in an axial direction.Type: GrantFiled: November 2, 2017Date of Patent: June 22, 2021Assignee: NIDEC CORPORATIONInventors: Takashi Shiraishi, Takeshi Honda, Junichi Uno, Hisashi Fujihara, Yasuaki Nakahara, Keisuke Saito
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Publication number: 20210126132Abstract: A transistor in which shape defects are unlikely to occur is provided. A transistor with favorable electrical characteristics is provided. A semiconductor device with favorable electrical characteristics is provided. The semiconductor device includes a transistor. The transistor includes a semiconductor layer, a first insulating layer, a metal oxide layer, a functional layer, and a conductive layer. The first insulating layer is positioned over the semiconductor layer. The metal oxide layer is positioned over the first insulating layer. The functional layer is positioned over the metal oxide layer. The conductive layer is positioned over the functional layer. The semiconductor layer, the first insulating layer, the metal oxide layer, the functional layer, and the conductive layer have regions overlapping with each other.Type: ApplicationFiled: June 26, 2019Publication date: April 29, 2021Inventors: Rai SATO, Masami JINTYOU, Masayoshi DOBASHI, Takashi SHIRAISHI
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Publication number: 20210120141Abstract: In accordance with an embodiment, a lens mirror array includes a plurality of optical elements integrally connected in a first direction. Each optical element includes an incident side lens surface through which light enters the optical element, a ridge located at an edge of the incident side lens surface, a reflection surface on which light incident on the incident side lens surface is reflected, an exit side lens surface through which light reflected by the reflection surface exits the optical element, and a groove surrounding the reflection surface except for a portion adjacent to the ridge, the portion adjacent to the ridge connecting to an adjacent optical element in the plurality of optical elements.Type: ApplicationFiled: December 23, 2020Publication date: April 22, 2021Inventor: Takashi SHIRAISHI
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Patent number: 10958140Abstract: A motor includes a magnet rotating together with a rotor about a central axis, a substrate on which a sensor to detect a position of the magnet is installed, a housing to hold a stator to drive the rotor, a bearing assembly including a bearing holder, and a conductor assembly between the housing and the bearing assembly. The conductor assembly includes a conductor including a first conductor electrically connected to the sensor through the substrate and a conductor holder covering the conductor. The substrate is fixed to the conductor holder. In the radial direction, a gap is located between an outer side surface of the bearing holder and an inner side surface of the conductor holder, and at least a portion of the magnet is located in the gap.Type: GrantFiled: January 6, 2018Date of Patent: March 23, 2021Assignee: NIDEC CORPORATIONInventors: Shuhei Nakamatsu, Takayuki Migita, Hisashi Fujihara, Masato Aono, Takashi Shiraishi
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Publication number: 20210080852Abstract: A lens mirror array includes a plurality of transparent optical elements integrally connected to each other in one direction. Each of the optical elements includes: an incidence side lens surface on which light is incident; an exit side lens surface through which incident light exits; and a flange portion having a surface continuous to the incidence side lens surface. The surface of the flange portion is arranged at an angle at which unnecessary light incident on the flange portion is guided to a position deviating from an slit, the slit allowing transmission of effective light in light that exits through the exit side lens surface.Type: ApplicationFiled: September 12, 2019Publication date: March 18, 2021Applicant: TOSHIBA TEC KABUSHIKI KAISHAInventor: Takashi SHIRAISHI
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Patent number: 10934867Abstract: A stationary-blade-type rotating machine is provided with a rotational shaft, an impeller, an impeller housing having a scroll passage formed on an outer peripheral side of the impeller, a bearing housing connected to the impeller housing in an axial direction of the rotational shaft, a stationary blade disposed in a radial passage formed between the scroll passage and the impeller and defined by an impeller-housing-side member and a bearing-housing-side member which face each other in the axial direction of the rotational shaft. The fixation unit includes an annular circumferential groove formed in an inner peripheral surface of the impeller housing and a ring-shaped fitting member subjected to a force for expanding in a radial direction while being fitted into the circumferential groove. The fitting member is configured to press the stationary blade to the impeller housing via at least one of the impeller-housing-side member or the bearing-housing-side member.Type: GrantFiled: January 20, 2016Date of Patent: March 2, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Kazuya Takeda, Takashi Shiraishi, Kazuki Okuda, Takeshi Yoshimi, Toshimasa Igusa
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Patent number: 10866534Abstract: An optical device includes a plurality of light sources each configured to emit light having a different wavelength, and a lens mirror array in which a plurality of optical elements is arrayed, each of the plurality of optical elements including an incident surface through which the light emitted from each light source enters the optical element, a first reflection surface from which the light incident on the incident surface is reflected, a second reflection surface from which the light reflected by the first reflection surface is further reflected, and an emission surface through which the light reflected by the second reflection surface exits the optical element. The plurality of light sources is arranged such that a light source that emits light having a shorter wavelength is disposed farther from the second reflection surface.Type: GrantFiled: September 13, 2019Date of Patent: December 15, 2020Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Takashi Shiraishi
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Patent number: 10863050Abstract: An optical device includes a light emitting surface, a lens mirror array having an incident surface that transmits light from the light emitting surface and converges the light, an emission surface that emits the light incident through the incident surface, and a plurality of reflecting surfaces that reflect the light incident through the incident surface toward the emission surface, and an image plane where an image of the light emitted through the emission surface is formed. The light emitting surface and the image plane are disposed nonparallel to each other so that an imaginary first plane parallel to the light emitting surface and an imaginary second plane parallel to the image plane intersect at a side of the plurality of reflecting surfaces.Type: GrantFiled: August 12, 2019Date of Patent: December 8, 2020Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Takashi Shiraishi
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Publication number: 20200379533Abstract: A power estimation method includes acquiring first consumed power information indicating a change in power consumed for a first time period from a first time to a second time within a time period elapsed from the start of the execution of a first job, and second consumed power information indicating a change in power consumed for a second time period from a third time to a fourth time within the time period elapsed from the start of the execution of the first job, the third time being after the second time, generating, from the first consumed power information, a first estimation model for estimating power to be consumed by the job for the first time period, and generating, from the second consumed power information, a second estimation model for estimating power to be consumed by the job for the second time period.Type: ApplicationFiled: May 4, 2020Publication date: December 3, 2020Applicant: FUJITSU LIMITEDInventors: Shigeto SUZUKI, Takashi Shiraishi, Takuji YAMAMOTO
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Patent number: 10844902Abstract: A turbocharger according to one embodiment of this invention includes: a rotation shaft; a compressor impeller; a compressor housing; a bearing housing connected to the compressor housing and configured to define a diffuser flow path between the bearing housing and the compressor housing; a thrust plate configured to support the rotation shaft in an axial direction; an insert component configured to retain the thrust plate between the insert component and a protruding wall portion in the bearing housing; a snap ring configured to be inserted in a first circumferential groove formed in an inner peripheral wall surface of the bearing housing, to thereby fix the insert component in a state in which the insert component is pressed against the thrust plate; and a diffuser component having a diffuser surface extending along a direction orthogonal to an axis of the rotation shaft between the inner peripheral wall surface of an end portion of the bearing housing on one side thereof and an outer peripheral edge of theType: GrantFiled: February 9, 2015Date of Patent: November 24, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Takashi Nambu, Hiroshi Suzuki, Takashi Shiraishi
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Publication number: 20200310874Abstract: A scheduler includes circuitry configured to, based on similarity between execution time and power consumption information of jobs executed in a system, classifies jobs into groups, construct respective time series prediction models for the groups using a power waveform included in each of the groups as teacher data, predict a power waveform at an interval including a first time from each of the constructed time series prediction models, compare a power waveform at an interval including a first time of a job in execution for which power is to be predicted with the predicted power waveform of each of the groups to identify a similar time series prediction model, based on the identified time series prediction model, predict power consumption at a predetermined interval including a second time for the job for which power is to be predicted, and control job execution based on the predicted power consumption.Type: ApplicationFiled: March 4, 2020Publication date: October 1, 2020Applicant: FUJITSU LIMITEDInventors: Takashi Shiraishi, Shigeto SUZUKI, Koichi SHIRAHATA
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Publication number: 20200301738Abstract: A power consumption prediction method includes: generating a first topic distribution indicating a word appearance probability for each topic in first information regarding a job executed in a past for each first information; generating a second topic distribution indicating a word appearance probability for each topic in second information regarding a prediction target job; generating a first normalized topic distribution; generating a second normalized topic distribution by converting the word appearance probability in the second topic distribution into a plurality of numeric values based on the predetermined rule; extracting the first normalized topic distribution most similar to the second normalized topic distribution among a plurality of the first normalized topic distributions; and predicting power consumption of the prediction target job based on power consumption when the job indicated by the first information corresponding to the extracted first normalized topic distribution is executed.Type: ApplicationFiled: March 2, 2020Publication date: September 24, 2020Applicant: FUJITSU LIMITEDInventors: Shigeto SUZUKI, Michiko Shiraga, Takashi Shiraishi
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Publication number: 20200272371Abstract: A non-transitory computer-readable recording medium stores therein a program that causes a computer to execute a process, the process including: specifying first job information related to a new job; referring to a storage that stores second job information and power information for each of past jobs to specify a predetermined number of pieces of third job information of which matching status with the first job information satisfies a first condition; determining, for each piece of the third job information, whether a matching status with the first job information satisfies a second condition; specifying one piece of the third job information based on a determination result; specifying power information associated with the one piece of the third job information; correcting the specified power information in accordance with the determination result; and estimating power information indicating power consumption at a time of executing the new job based on the corrected power information.Type: ApplicationFiled: January 24, 2020Publication date: August 27, 2020Applicant: FUJITSU LIMITEDInventors: Shigeto SUZUKI, Takuji YAMAMOTO, Michiko Shiraga, Takashi Shiraishi
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ESTIMATION OF POWER CONSUMPTION FOR A JOB BASED ON ADJUSTED CALCULATION OF SIMILARITIES BETWEEN JOBS
Publication number: 20200257350Abstract: An apparatus calculates, based on attribute information of a new job and jobs that have been executed, a first similarity level of the attribute information between the new job and the jobs by using a calculation expression, identifies a job whose attribute information is most similar to that of the new job as a first candidate job, and estimates power consumption to be consumed by the new job at power consumption of the first candidate job. The apparatus calculates, for at least one of the jobs, a second similarity level of power consumption between the at least one of the jobs and the new job, identifies a job whose power consumption is most similar to that of the new job as a second candidate job, and adjusts the calculation expression to increase the first similarity level to be calculated between the new job and the second candidate job.Type: ApplicationFiled: January 21, 2020Publication date: August 13, 2020Applicant: FUJITSU LIMITEDInventors: Shigeto SUZUKI, Michiko Shiraga, Hiroshi ENDO, Takashi Shiraishi, Yoshiyasu Doi, Hiroyuki FUKUDA, Takuji YAMAMOTO -
Patent number: 10735177Abstract: An optical transmitting device includes a plurality of transmitters configured to be arranged so as to correspond to a plurality of channels, the transmitters each reproducing a clock from an input data signal, and outputting the data signal identified and reproduced based on the reproduced clock to a light emitting element and a processor configured to control phase difference between the output data signals based on a result of comparison between phases of the reproduced clocks.Type: GrantFiled: July 1, 2019Date of Patent: August 4, 2020Assignee: FUJITSU LIMITEDInventors: Yuuki Ogata, Takashi Shiraishi
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Patent number: 10700789Abstract: An optical receiver includes a light receiving element array that includes a plurality of light receiving elements, a plurality of amplifiers that amplify respective currents obtained by the plurality of light receiving elements, a plurality of anode lines arranged in a region between the light receiving element array and the plurality of amplifiers, the plurality of anode lines coupling respective anodes of the plurality of light receiving elements to the plurality of amplifiers, respectively, and a cathode line disposed in a region different from the region between the light receiving element array and the plurality of amplifiers, the cathode line coupling respective cathodes of the plurality of light receiving elements to a bias power supply and a bypass capacitor.Type: GrantFiled: April 3, 2019Date of Patent: June 30, 2020Assignee: FUJITSU LIMITEDInventors: Takashi Shiraishi, Hideki Takauchi
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Publication number: 20200161914Abstract: A rotor includes magnets, and a rotor core including thin film cores laminated in an axial direction and magnet holes in which the magnets are located. The rotor core includes first thin plate cores and second thin plate cores. The first thin plate cores include an annular first inner plate, first outer plates on a radially outer side of the inner plate and arrayed side by side in the circumferential direction, first inner connecting portions connecting the inner plate and the outer plate, and a first outer connecting portion that is on a radially outer side of the first outer plate and connects the adjacent outer plates in the circumferential direction.Type: ApplicationFiled: November 6, 2019Publication date: May 21, 2020Inventors: Takashi SHIRAISHI, Toru CHIKIRA, Hiroshi KITAGAKI, Masato AONO